$space-scales: 0, 0.25, 0.5, 1, 1.5, 2, 3, 4, 5 !default;
$gap-properties: (
        'gap': 'gap',
        'row-gap': 'row-gap',
        'column-gap': 'column-gap'
) !default;

@include spacing-class('', $gap-properties, $space-scales);